diff --git a/docs/manual/CoreTasks/parallel.html b/docs/manual/CoreTasks/parallel.html
index b97fca1da..ad9a674ec 100644
--- a/docs/manual/CoreTasks/parallel.html
+++ b/docs/manual/CoreTasks/parallel.html
@@ -90,7 +90,7 @@
 
 <p>Parallel tasks have a number of uses in an Ant build file including:</p>
 <ul>
-<li>Taking advantage of available processing resources to excute external
+<li>Taking advantage of available processing resources to execute external
  programs simultaneously.</li>
 <li>Testing servers, where the server can be run in one thread and the test
 harness is run in another thread.</li>